GetAUser.cs

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;
using Shared;

namespace Client
{
    public partial class GetAUser : Form
    {
        private List<string> users = new List<string>();
        public List<string> selectedUsers;
        public bool addSupervisor;

        public GetAUser(ISearchable[] allUsers, RoleInfo[] Members)
        {
            InitializeComponent();
            selectedUsers = new List<string>();
            foreach (PersonInfo user in allUsers)
            {
                users.Add(user.username);
                lstUsers.Items.Add(user.username);
            }
        }

        private void FilterListbox(string filter)
        {
            lstUsers.Items.Clear();
            foreach (string user in users)
            {
                if (user.Contains(filter))
                    lstUsers.Items.Add(user);
            }
        }

        private void txtFilter_TextChanged(object sender, EventArgs e)
        {
            if (txtFilter.Text.Length > 0 && txtFilter.Text != "Filter usernames...")
                FilterListbox(txtFilter.Text);
            else
            {
                lstUsers.Items.Clear();
                foreach (string user in users)
                    lstUsers.Items.Add(user);
            }
        }

        private void txtFilter_Enter(object sender, EventArgs e)
        {
            if (txtFilter.Text == "Filter usernames...")
                txtFilter.Text = "";
        }

        private void txtFilter_Leave(object sender, EventArgs e)
        {
            if (txtFilter.Text.Trim().Length == 0)
                txtFilter.Text = "Filter usernames...";
        }

        private void btnCancel_Click(object sender, EventArgs e)
        {
            this.selectedUsers.Clear();
            this.Close();
        }

        private void btnOK_Click(object sender, EventArgs e)
        {
            addSupervisor = chkSupervisor.Checked;
            this.Close();
        }

        private void lstUsers_SelectedIndexChanged(object sender, EventArgs e)
        {
            if (lstUsers.SelectedIndex > -1)
            {
                selectedUsers.Clear();
                foreach (string user in lstUsers.SelectedItems)
                {
                    selectedUsers.Add(user);
                }
            }
            else
                selectedUsers.Clear();
        }

        private void lstUsers_MouseDoubleClick(object sender, MouseEventArgs e)
        {
            if (lstUsers.SelectedIndex > -1)
            {
                selectedUsers.Clear();
                selectedUsers.Add(lstUsers.SelectedItem.ToString());
            }
            else
                selectedUsers.Clear();

            this.Close();
        }
    }
}

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